[Openswan Users] xl2tpd uses inactive mast0 interface

[Paul Wouters]

On Tue, 23 Nov 2010, Sven Schiwek wrote:

> thanks for the information.
> If I remove the interface and initiate a xl2tp connection the ipsec
> tunnel opens correct but then the kernel crashes and the system freezes.
> I try to catch the panic next time - I'm working on a live system where
> I can not reboot every time I want... :-)

What version of klips is this? And what kernel?

> Let me present my network configuration with some more details:
> I have a Linux system which is our default gateway to the internet and
> which also act as a router to some other networks:
>
> - eth0 (192.168.50.1/23) - Office LAN
> - eth1 (192.168.60.1/24) - VoIP LAN (irrelevant for us)
> - eth2 (192.168.70.1/24) - Guest LAN (Full NAT to the internet)
> - eth3 (1.2.3.4/29) - Internet
>
> Openswan is listening on eth3, xl2tpd is listening on all interfaces.
>
> If I try to establish a xl2tp connection out of the "Guest LAN" to
> Openswan, the described problem occurs.
> If I initiate a xl2tp session out of the internet the configuration is
> working fine and the tunnel comes up.
>
> So I believe the problem is the internal routing between eth2 and eth3.

So you do l2tp without ipsec on eth2? If openswan is not used, what is
causing the crash? It cannot be klips then?

Paul